Practice - Fusion and Stars
Practice Questions
Test your understanding with targeted questions
What is nuclear fusion?
💡 Hint: Think about how the Sun generates energy.
Name a fusion process that occurs in the Sun.
💡 Hint: It involves fusing hydrogen nuclei.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What do stars primarily use for energy during the main sequence?
💡 Hint: Think about the process powering the Sun.
True or False: The CNO cycle is predominantly used in low-mass stars.
💡 Hint: Recall which stars use the proton-proton chain and which use CNO.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Calculate the energy released in the fusion of 4 protons into one helium-4 nucleus. Consider the mass defect if needed.
💡 Hint: Remember to convert mass defect into energy using E=Δmc²!
Discuss the implications of achieving D-T fusion energy on Earth's energy crisis.
💡 Hint: Consider both environmental and energy security aspects.
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Reference links
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